Re: cxd2820r: i2c wr failed (PCTV Nanostick 290e)

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I have no idea. IIRC this is first time I see that kind of bug report. Seems like EM28174 starts failing I2C messages. -110 is ETIMEDOUT and is likely coming from the USB-stack.

Is there anyone have seen similar situations when em28xx driver is used?

Maybe overheat?

regards
Antti


On 15.03.2012 22:14, Keith Edmunds wrote:
I posted the message below last week, but I've had no response.

Is this the wrong list? Did I do something wrong in my posting?

I would like fix this problem, and I have more information now, but I
don't want to clutter this list if it's the wrong place.

Guidance as to what I should do gratefully received: thanks.

Hi List

I'm having lots of problems with my PCTV Nanostick 290e under MythTV. Is
this the best place to report these problems?

I'm happy to provide whatever detail is needed, but in summary:

  - every day or two, I get the error messages logged below. I need to
    reboot the back end to clear them.

  - when the back end comes back up, 'lsusb' doesn't show the 290e. I have
    to unplug it, wait a few seconds, then plug it back in again

This is extremely frustrating. When it works, it's great; when it
doesn't, recordings fail.

The following errors are reported repeatedly:

Mar  9 10:02:03 woodlands kernel: [ 6006.157991] cxd2820r: i2c wr failed
ret:-110 reg:85 len:1
Mar  9 10:02:05 woodlands kernel: [ 6008.511994] cxd2820r: i2c wr failed
ret:-110 reg:00 len:1
Mar  9 10:02:08 woodlands kernel: [ 6011.208909] cxd2820r: i2c wr failed
ret:-110 reg:85 len:1
Mar 9 10:02:10 woodlands kernel: [ 6013.566440] cxd2820r: i2c wr failed
ret:-110 reg:00 len:1

MythTV backend details:
  - Debian v6.0.4 ("Squeeze")
  - Debian multimedia repository
  - Myth version 0.24.2-0.0squeeze1 (as packaged by repository)
  - Kernel: 2.6.32-5-686-bigmem (I've also tried 3.2.0-0.bpo.1-686-pae,
    both Debian-packaged)
  - Tuners: 2 x Hauppauge Nova-T Stick (USB) and 1 x PCTV Nanostick 290e
    (also USB)
  - no module load parameters specified
  - tuning delay 750mS for each tuner
  - drivers for the 290e built using the media_build scripts
    (http://git.linuxtv.org/media_build.git)

Many thanks,
Keith




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